The synthetic compounds structure has been confirmed by 1H NMR, MS and IR.
所合成的化合物的结构已由质谱（MS）、红外光谱（IR）、核磁共振氢谱（1H NMR）所证实。
RESULTS The structure of target compound was confirmed by 1 HNMR , MS and IR.
结果所合成的化合物经紫外、红外、核磁、质谱等初步鉴定为目标化合物。
The compositions of polysaccharide from Melia azedarach fruit and MP1 were also determined and quantified by GC-MS and IR spectrum.
借助气质联用仪，对苦楝粗多糖和组分mp1进行了成分分析。
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